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GCSE Combined Science Biology Revision: AQA Higher Notes

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GCSE AQA Higher Combined Science Biology

GCSE Combined Science Biology revision for AQA Higher tier: free notes across 8 topics, each split into subtopics and lessons.

8 topics and 160 lessons for GCSE AQA Higher Combined Science Biology. Each topic lists its subtopics so you can go straight to the part you need.

8

Topics

160

Lessons

Revise Right Mocks '26

AQA GCSE Combined Science Biology mock draft, 26–31 Oct. Draft coverage: Combined Science Biology Paper 1 (Higher tier). Reviewed for an original-practice sitting; check student availability before registering. Marking and results will follow later, after separate approval. Eligible new accounts receive a five-day Pro trial when signup email verification completes. Previous trials keep their original expiry. After expiry, new papers need Pro unless you have an explicitly confirmed free sitting offer for this event. That offer adds no Pro time or AI learning. Saved attempts and released results remain readable. No card or automatic charge.

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GCSE AQA Higher Combined Science Biology topics

Every topic in this course, with the subtopics inside each one.

Topics and what they cover

  • Cell biology: 23 lessons: Cell structure, Cell division, Transport in cells
  • Organisation: 25 lessons: Principles of organisation, Animal tissues, organs and organ systems, Plant tissues, organs and systems
  • Infection and response: 17 lessons: Communicable diseases
  • Bioenergetics: 13 lessons: Photosynthesis, Respiration
  • Homeostasis and response: 20 lessons: Homeostasis, The human nervous system, Hormonal coordination in humans
  • Inheritance, variation and evolution: 33 lessons: Reproduction, Variation and evolution, The development of understanding of genetics and evolution, Classification of living organisms
  • Ecology: 26 lessons: Adaptations, interdependence and competition, Organisation of an ecosystem, Biodiversity and the effect of human interaction on ecosystems
  • Key ideas: 3 lessons: Key ideas

Frequently asked questions

How do I know GCSE AQA Higher Combined Science Biology is my course?

Check the level, exam board and tier with your teacher, or look at the front of a past paper you have been given. Content differs between boards, so it is worth getting this right first.

Where should I start?

Start with the topic you find hardest, or the one your next test is on. Read a lesson, then close it and write down what you remember before moving on.

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